operational use作战使用operationaladj.操作的；运作的；可用的；作战的operational maintainability运营恢复度operational training system操作训练系统Operational Readiness Float战备储存装备operational field oil depot战役野战油库operational amplifier block运算放大器部件Operational capbility check实操性检查Operational Reports Control作战报告管理operational acceptance test实用验收试验Operational Development Team操作研制组Operational Status Indicator作业状态指示器